So, I modified my code to reuse the same jms connection and temporary queue within each process that posts messages, and now the thread leakage is gone. While this change admittedly optimizes the processing, I would still consider it as a work around for a bug that does not dispose of the thread created by the use of a temporary queue. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4127173#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...